True or false when a chemical reaction occurs a new type of atom is produced

Which statement correctly describes potassium iodide, ki? there is a one-to-one ratio of potassium ions to iodide ions. potassium gains electrons and iodine loses electrons during the reaction. the lattice is held together by potassium anions and iodide cations.

Which of these conditions most likely produces an unstable isotope?

What is the molar mass of a gas that has density of 2.054 g/l